b.e23_alpha16g.BLT1850.ne30_t232.078c

[cecilehannay]

Purpose:

Experiment 78b, which began from the baseline of Experiment 75 in year 101, showed significant initial warming. 78c aims to determine if a perturbed run would exhibit the same behavior.

---

Description: Same as 78b (#497) ecept:

pertlim = 1.e-14

---

Case directory:

• Locally (if still available): /glade/campaign/cesm/cesmdata/cseg/runs/cesm2_0/b.e23_alpha16g.BLT1850.ne30_t232.078c

• On github: https://github.com/NCAR/amwg_dev/tree/b.e23_alpha16g.BLT1850.ne30_t232.078c

  ---

  Sandbox:

• Locally (if still available): /glade/work/hannay/cesm_tags/cesm2_3_alpha16g

• On github: https://github.com/ESCOMP/cesm/tree/cesm2_3_alpha16g

  ---

  Diagnostics:

• Diags (if available): https://webext.cgd.ucar.edu/BLT1850/b.e23_alpha16g.BLT1850.ne30_t232.078c/

  ---

  Output:

• Raw output on derecho (if still available): /glade/derecho/scratch/hannay/archive/b.e23_alpha16g.BLT1850.ne30_t232.078c/

• CAM Climos: /glade/campaign/cgd/amp/amwg/climo/b.e23_alpha16g.BLT1850.ne30_t232.078c

  ---

  Contacts: @cecilehannay, @PeterHjortLauritzen, @JulioTBacmeister, @adamrher

  ---

  Extra details:

[cecilehannay]

78c ran for 16 years. It started at the same spot as 78b with a pertlim perturbation.

The 78c tracks very closely 78b and displays a similar warming trend. For me, it was a valuable exercise as I didn't anticipate that both lines would be so similar. The state that led to the warming in 78b is clearly included in the initialization. I don't see a need to extend 78c further. It might be interesting to start another run 78d from a different point (say at year 75).

Thoughts?